package java8_24.oop.ch3;

import java8_24.*;
import java.lang.*;
import java.util.*;
import java.sql.*;
/**
 * @author oldliu
 * @since 1.0
 */
public class HelloDemo {
    public static void main(String[] args) {
        java.sql.Date ddd=null;
        Scanner sc=new Scanner(System.in);
        String str=null;
        Teacher th=new Teacher();
    }
}
